Nexus 4 users recently received the latest bug-fix and maintenance update via Android 4.4.2 KOT49H KitKat firmware from Google. The new update is reportedly more stable and offers better system performance for the phone.

Those who have already updated their device to the latest Android 4.2.2 KOT49H official firmware can now root the same manually via SuperSU app, using this guide. IBTimes UK reminds its readers that it will not be held liable for any device damage during or after root installation. Users are advised to proceed at their own risk.

Step 13 - Tap the Power button again and select "choose zip from sdcard".

Step 14 - Now use volume keys to navigate to UPDATE-SuperSU-v1.80.zip and select it using Power button. Confirm the root installation on next screen and the installation process will begin.

Step 15 - Once the root installation is done, hit "+++++Go Back" and reboot the phone by selecting "reboot system now" from the Recovery menu. The phone will reboot now and it may take about five minutes for first boot. So, please be patient and do not interrupt the process.

Your Nexus 4 is now rooted on Android 4.4.2 KOT49H official firmware. Check for the SuperSU app in your apps list to verify the root installation.